• Title/Summary/Keyword: cultivated ginseng

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Comparison of Growth Increment and Ginsenoside Content in Different Parts of Ginseng Cultivated by Direct Seeding and Transplanting (직파와 이식재배에 따른 인삼의 부위별 생육특성 및 진세노사이드 함량 비교)

  • Li, Xiangguo;Kang, Sun-Joo;Han, Jin-Soo;Kim, Jung-Sun;Choi, Jae-Eul
    • Korean Journal of Medicinal Crop Science
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    • v.18 no.2
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    • pp.70-73
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    • 2010

  • This study was carried out to clarify the difference of growth characteristics and ginsenoside content in 5-year-old ginseng root grown by direct seeding and transplanting cultivation. Root weight per plant of direct seeding cultivation was lower than that of transplanting cultivation. Fresh and dry matter partitioning ratio of direct seeding cultivation was high in main root and low in lateral because direct seeding cultivation root elongated the length of main root, while it suppressed the growth of lateral root. Total amount of ginsenoside contents by direct seeding and transplanting cultivation were 362.8 and 320.3 mg in main root, 188.6 and 548.8 mg in lateral root, 170.7 and 273.8 mg in fine root. Its contents of whole root per plant were 722.1 and 1142.9 mg by direct seeding and transplanting, respectively.

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Effects of Stilbene Derivatives from Rheum undulatum on $5{\alpha}-Reductase$ Activity ($5{\alpha}-Reductase$ 활성에 미치는 종대황 스틸벤 유도체의 영향)

  • Ko, Sung-Kwon
    • Korean Journal of Pharmacognosy
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    • v.31 no.2
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    • pp.245-248
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    • 2000

  • As a series of the studies on cultivated Korean rhubarb rhizomes (Rheum undulatum), five stilbene derivatives were screened for inhibitory activity against $5{\alpha}-reductase$. Of these, desoxyrhapontigenin, rhapontigenin, and piceatannol exhibited inhibition, whereas, two other stilbene glycosides, rhaponticin and $piceatannol-3'-O-{\beta}-D-glucopyranoside$ did not show the inhibition.

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